well there are some things i can think of that prove that god in christinanity was created by man but they are not enough to convert any true believer into not believing but is enough to make a non bias person think twice
Greek gods have flaws just like ordinary mortals. they experience hate and envy and usually jealousy (as in the case of Hera with Zeus' many lovers). They are also given to impulsive reactions and...
The Greek gods are always presented from a human point of view; with human emotions, personality flaws and vices. Zeus was a womanizer, greedy for power, and overall just a hard man to get along...
Even gods had flaws. Apollo's flaw is like his father Zeus's flaw. Apollo kept falling in and out of love with everyone. And of course it often ended in tragedy examples - the mortal Cassandra....